Prevalence and treatment of LUTS in patients with Parkinson disease or multiple system atrophy

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| The lower urinary tract is controlled by complex neural mechanisms not only in the periphery, but also in the central nervous systems (CNS). Thus, patients with a wide variety of neurological diseases often also have lower urinary tract symptoms (LUTS), including those with Parkinson disease (PD) or multiple system atrophy (MSA). LUTS are common comorbidities associated with both of these neurodegenerative diseases and are likely to impair patients' quality of life. The motor symptoms of PD and MSA often seem similar; however, the pathophysiology, and thus the treatment of LUTS differs considerably. Antimuscarinics are the first-line treatment of storage LUTS in patients with PD or MSA; however, care should be taken in the management of these patients, especially in those with MSA owing to the high risk of inefficient voiding, and thus an increased post-void residual volume. Other treatments of PD-related LUTS include α-adrenoceptor antagonists, which improve voiding dysfunction, transurethral resection of the prostate for bladder outlet obstruction owing to prostate enlargement, and neuromodulation and intradetrusor botulinum toxin injections for storage LUTS. However, more conservative treatments, including intermittent catheterization, are required for LUTS in patients with MSA, owing to the high incidence of impaired detrusor contractility and detrusor-sphincter dyssynergia.

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